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Java zip ½âѹËõAPI

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fileName£º ±íʾÏë½âѹµÄÎļþÃû   È磺c:\\aaa\a.zip
unZipDir£º  ±íʾÏë½âѹµ½µÄ·¾¶   È磺c:\\ccc
public static void unZip1(String fileName, String unZipDir) {
        try {
            File f = new File(unZipDir);
            if (!f.exists()) {
                f.mkdirs();
            }
            BufferedOutputStream dest = null;
            BufferedInputStream is = null;
            ZipEntry entry;
            ZipFile zipfile = new ZipFile(fileName);
            Enumeration e = zipfile.entries();
            while (e.hasMoreElements()) {
                entry = (ZipEntry) e.nextElement();
                if (entry.isDirectory()) {
                    makeDir(unZipDir + File.separator + entry.getName());
                } else {
                    is = new BufferedInputStream(zipfile.getInputStream(entry));
                    int count;
                    byte data[] = new byte[BUFFER];
             &nbs


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